PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/23-20:12:30
G02     295.7          81.1               20.0 +/-   30.01      20.2 +/-   30.01  0.130 / 0.420
G05     167.1          26.2               19.5 +/-   28.30      37.1 +/-   28.30  0.110 / 0.240
G06     39.7           48.1               17.0 +/-   30.72      21.9 +/-   30.72  0.100 / 0.450
G12     319.1          60.9                5.3 +/-    9.11       6.0 +/-    9.11  0.090 / 0.270
G17     78.6           17.3               13.2 +/-   33.21      31.2 +/-   33.21  0.050 / 0.250
G19     67.9           30.8               15.3 +/-   30.56      26.4 +/-   30.56  0.040 / 0.060
G24     234.8          27.9               16.7 +/-   32.26      30.6 +/-   32.26  0.040 / 0.040
G25     317.4          21.1               12.9 +/-   28.88      27.6 +/-   28.88  0.040 / 0.050